5d0878e70d
* i386.h (ix86_tune_indices): Add X86_TUNE_SOFTWARE_PREFETCHING_BENEFICIAL. (TARGET_SOFTWARE_PREFETCHING_BENEFICIAL): New macor. * i386.c (initial_ix86_tune_features): Add X86_SOFTARE_PREFETCHING_BENEFICIAL. (software_prefetching_beneficial_p): Remove predicate. (ix86_option_override_internal): Use new macro. From-SVN: r173533
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